DR. ARIELA HOLMER MD
NPI 1083032544
Internal Medicine - Gastroenterology in New York, NY
About Dr. Ariela Holmer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARIELA HOLMER MD (NPI 1083032544) is an individual gastroenterology provider in New York, New York, licensed in New York (310562) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and maintains a secondary practice location in San Diego.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ariela Holmer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ariela Holmer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The University Of California
- 1,051 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10016
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ariela Holmer's NPI number?
The NPI number for Ariela Holmer is 1083032544. It was assigned to this individual provider in the NPPES registry on April 2, 2014.
Where is Ariela Holmer located?
Ariela Holmer practices at 305 E 33rd St, New York, NY 10016. The listed phone number is (855) 698-4232.
What is Ariela Holmer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Ariela Holmer enrolled in Medicare?
Yes. Ariela Holmer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ariela Holmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariela Holmer reassigns Medicare benefits to 2 organizations: New York University (Boynton Beach, FL) and Regents Of The University Of California - Ucsd Medical Group (San Diego, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ariela Holmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ariela Holmer affiliated with any hospitals?
According to CMS data, Ariela Holmer is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Ariela Holmer was last updated on July 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.